一道高中生物遗传题一个纯种白色狗与一个纯种褐色狗杂交,F1全部是白色狗.F1×F1交配所生F2无论是雄狗还是雌狗的表现型比例都是:12白:3黑:l褐.若F2中白色雌狗和白色雄狗随机交配,产生褐色
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 11:42:34
![一道高中生物遗传题一个纯种白色狗与一个纯种褐色狗杂交,F1全部是白色狗.F1×F1交配所生F2无论是雄狗还是雌狗的表现型比例都是:12白:3黑:l褐.若F2中白色雌狗和白色雄狗随机交配,产生褐色](/uploads/image/z/3828209-41-9.jpg?t=%E4%B8%80%E9%81%93%E9%AB%98%E4%B8%AD%E7%94%9F%E7%89%A9%E9%81%97%E4%BC%A0%E9%A2%98%E4%B8%80%E4%B8%AA%E7%BA%AF%E7%A7%8D%E7%99%BD%E8%89%B2%E7%8B%97%E4%B8%8E%E4%B8%80%E4%B8%AA%E7%BA%AF%E7%A7%8D%E8%A4%90%E8%89%B2%E7%8B%97%E6%9D%82%E4%BA%A4%2CF1%E5%85%A8%E9%83%A8%E6%98%AF%E7%99%BD%E8%89%B2%E7%8B%97.F1%C3%97F1%E4%BA%A4%E9%85%8D%E6%89%80%E7%94%9FF2%E6%97%A0%E8%AE%BA%E6%98%AF%E9%9B%84%E7%8B%97%E8%BF%98%E6%98%AF%E9%9B%8C%E7%8B%97%E7%9A%84%E8%A1%A8%E7%8E%B0%E5%9E%8B%E6%AF%94%E4%BE%8B%E9%83%BD%E6%98%AF%3A12%E7%99%BD%3A3%E9%BB%91%3Al%E8%A4%90.%E8%8B%A5F2%E4%B8%AD%E7%99%BD%E8%89%B2%E9%9B%8C%E7%8B%97%E5%92%8C%E7%99%BD%E8%89%B2%E9%9B%84%E7%8B%97%E9%9A%8F%E6%9C%BA%E4%BA%A4%E9%85%8D%2C%E4%BA%A7%E7%94%9F%E8%A4%90%E8%89%B2)
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